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Monthly SPURS 1
Aquarius
Argo
SMAP
SMOS
2015
2014
2013
2012
2011
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
January
February
March
April
May
January
February
March
April
May
January
February
March
April
May
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
July
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
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April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
May
April
May
June
July
August
September
October
November
December
January
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April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
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April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
September
October
November
December
September
October
November
December
September
October
November
December
September
October
November
December
Argo IPRC
Argo SIO
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
January
February
March
April
May
June
July
August
September
October
November
January
February
March
April
May
June
July
August
September
October
November
January
February
March
April
May
June
July
August
September
October
November
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
January
February
March
April
May
June
July
August
September
October
November
January
February
March
April
May
June
July
August
September
October
November
January
February
March
April
May
June
July
August
September
October
November
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
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September
October
November
December
January
February
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April
May
June
July
August
September
October
November
December
SMAP RSS V4.0
SMAP JPL V5.0
2020
2019
2018
2017
2016
2015
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
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June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
April
May
June
July
August
September
October
November
December
April
May
June
July
August
September
October
November
December
April
May
June
July
August
September
October
November
December
April
May
June
July
August
September
October
November
December
2020
2019
2018
2017
2016
2015
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
April
May
June
July
August
September
October
November
December
April
May
June
July
August
September
October
November
December
April
May
June
July
August
September
October
November
December
April
May
June
July
August
September
October
November
December
locean_debiasedSSS_09days_v5
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
January
February
March
April
May
June
July
August
September
January
February
March
April
May
June
July
August
September
January
February
March
April
May
June
July
August
September
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
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June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gradient
January
February
March
April
May
June
July
August
September
October
November
December
January
February
March
April
May
June
July
August
September
October
November
December
January
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October
November
December
January
February
March
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August
September
October
November
December
Sea Surface Salinity
Salinity Gradient
Zonal Salinity Gradient
Meridional Salinity Gr
